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Manufacturing method for aluminum matrix composite-aluminum alloy sandwich panel

An aluminum-based composite material and a composite material technology are applied in the field of preparation of an aluminum-based composite material-aluminum alloy sandwich panel, which can solve the problems of low plasticity and crack toughness, low wear resistance and hardness, and achieve uniform structure and good toughness. , the effect of good hardness and wear resistance

Active Publication Date: 2016-04-06
ANHUI XIANGBANG COMPOSITE MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Aluminum matrix composites have high hardness and high wear resistance, but low plasticity and crack toughness, while aluminum alloys have good plasticity and toughness, but low wear resistance and hardness

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The preparation process of the aluminum-based composite material / aluminum alloy sandwich plate gained in this example is as follows:

[0027] Add 5wt.% TiB to crucible A and crucible B respectively 2 / 2024 aluminum matrix composite material and 2024 aluminum alloy are melted, and after degassing and refining, the temperature is raised to 750°C; then the particle reinforced aluminum matrix composite material in crucible A is 5wt.%TiB 2 / 2024 Aluminum-based composite material melt is introduced into the spray deposition device, for 5wt.%TiB 2 / 2024 Aluminum matrix composite material melt is spray deposited to form 10mm of 5wt.% TiB on the surface of the collecting pan 2 / 2024 aluminum matrix composite deposition layer. The 2024 aluminum alloy melt in the crucible B is introduced into the spray deposition device within 1s, and the 2024 aluminum alloy is spray deposited. 2 / 2024 Aluminum Matrix Composite Deposited 10mm of 2024 Aluminum Alloy on the Surface of the Deposi...

Embodiment 2

[0029] Add 8wt.% TiB in crucible A and crucible B respectively 2 / 7075 aluminum matrix composite material and 7075 aluminum alloy are melted, and after degassing and refining, the temperature is raised to 800°C; then the particle reinforced aluminum matrix composite material in crucible A is 8wt.%TiB 2 / 7075 aluminum-based composite material melt is introduced into the spray deposition device, for 8wt.%TiB 2 / 7075 aluminum matrix composite material melt is spray deposited to form 20mm of 8wt.% TiB on the surface of the collection plate 2 / 7075 aluminum matrix composite deposition layer. Introduce the 7075 aluminum alloy melt in the crucible B into the spray deposition device within 3s, and spray deposit the 7075 aluminum alloy at 8wt.%TiB 2 20mm of 7075 aluminum alloy is deposited on the surface of the deposition layer of 7075 aluminum matrix composite material. Then within 3s put 8wt.%TiB in crucible A 2 / 7075 particle-reinforced aluminum matrix composite material melt is...

Embodiment 3

[0031] Add 10wt.% TiB in crucible A and crucible B respectively 2 / 7050 aluminum matrix composite material and 7050 aluminum alloy are melted, and after degassing and refining, the temperature is raised to 850°C; then the particle reinforced aluminum matrix composite material in crucible A is 10wt.%TiB 2 / 7050 aluminum-based composite material melt is introduced into the spray deposition device, for 10wt.%TiB 2 / 7050 aluminum matrix composite material melt is spray deposited to form 30mm of 10wt.% TiB on the surface of the collection plate 2 / 7050 aluminum matrix composite deposition layer. Introduce the 7050 aluminum alloy melt in the crucible B into the spray deposition device within 5s, and spray deposit the 7050 aluminum alloy at 10wt.%TiB 2 / 7050 Aluminum Matrix Composite Deposition Layer Deposit 30mm aluminum alloy on the surface. Then within 5s the 10wt.%TiB in crucible A 2 / 7050 particle-reinforced aluminum matrix composite material melt is introduced into the spra...

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Abstract

The invention discloses a manufacturing method for an aluminum matrix composite-aluminum alloy sandwich panel. According to the manufacturing method, a jetting sedimentation process is adopted, an aluminum matrix composite / aluminum alloy sedimentation blank is firstly manufactured, then rolling is carried out, and densifying of the material is achieved; and then solid solution-ageing treatment is carried out, and the aluminum matrix composite-aluminum alloy sandwich panel is manufactured. In a surface layer, reinforced particles are evenly distributed in a base, and the good hardness and the good abrasive resistance are achieved; in a core layer, aluminum alloy grains are fine and even in texture, and the good tenacity is achieved; and meanwhile, bonding between the surface layer and the core layer is good. The manufacturing method is simple in process and suitable for large-scale industrial production; the manufactured sandwich panel has the good combination property, and can be widely applied to the fields of mechanized equipment, aerospace, weaponry and the like.

Description

technical field [0001] The invention relates to the technical field of composite materials, in particular to a method for preparing an aluminum-based composite material-aluminum alloy sandwich plate. Background technique [0002] Aluminum matrix composites have high hardness and high wear resistance, but low plasticity and crack toughness, while aluminum alloys have good plasticity and toughness, but low wear resistance and hardness. Therefore, using the advantages of aluminum matrix composites and aluminum alloys, the aluminum matrix composites are used as the surface layer, the aluminum alloy is used as the core layer, and a certain preparation process is adopted to make an aluminum matrix composite / aluminum alloy sandwich panel to achieve a high surface height. Hard and wear-resistant, while the core is high toughness. It has broad application prospects in mechanical equipment, aerospace, weaponry and other fields. Contents of the invention [0003] In view of the abo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F3/115B22F7/02B22F3/24
CPCB22F3/115B22F3/24B22F7/02
Inventor 吴浩
Owner ANHUI XIANGBANG COMPOSITE MATERIAL